Test your basic knowledge |

DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. cogeneration uses...
12 miles per hour
Momentum
Less on the moon
Waste heat for secondary uses

2. Heat is the...
Sulfur
Momentum
First principle of Centripetal force
Total internal energy of an object

3. All objects with mass are attracted to another by the gravitational force
Newtons first principle of Universal Gravitation
Means less power is transmitted
Mechanical - chemical - and radiant energy
Difference between the heat supplied and the heat exhausted

4. From the 50's and to the 70's - the pH of rain in the northeast had..
5 m/s
Decreased
Less on the moon
Total internal energy of an object

5. In burning coal - what contaminant is of major concern as a pollutant...
Sulfur
12 miles per hour
Increases the energy
Halogen radicals interfering in ozone synthesis

6. When you add heat to a substance - its temperature...
Decreased
Might stay the same
Waste heat for secondary uses
Momentum

7. In a generator - the flow of electrons (current) is created by...
Waves and particles
Newtons third principle of Universal Gravitation
Newtons second principle of Universal Gravitation
Movement

8. Circular motion requires centripetal force
First principle of Centripetal force
Momentum
Heat of fusion
Waves and particles

9. Electrical energy can be converted to...
Newtons third principle of Universal Gravitation
Mechanical - chemical - and radiant energy
Sulfur
Universal

10. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Total internal energy of an object
Waves and particles
First principle of Centripetal force
Newtons third principle of Universal Gravitation

11. The larger the centripetal force - the faster an object travels in a circle of a given size
Increases the energy
Mechanical - chemical - and radiant energy
Second principle of Centripetal force
Difference between the heat supplied and the heat exhausted

12. The weight of one kilogram of iron on earth is...
263 degrees kelvin
Difference between the heat supplied and the heat exhausted
Less on the moon
Twice the work

13. Raising an auto in a service station requires work. Raising it twice as high requires...
Twice the work
Disorder
Mechanical - chemical - and radiant energy
Halogen radicals interfering in ozone synthesis

14. The gravitational force - two masses are directly proportional to the mass of each object
Difference in the sped of light in water vs. air
Total internal energy of an object
Newtons second principle of Universal Gravitation
263 degrees kelvin

15. The reason that a spear fisherman cannot see where the fish is actually located is...
Decreased
Difference in the sped of light in water vs. air
First principle of Centripetal force
12 miles per hour

16. The ozone hole results from...
Newtons second principle of Universal Gravitation
Second principle of Centripetal force
Means less power is transmitted
Halogen radicals interfering in ozone synthesis

17. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Sulfur
Momentum
Waste heat for secondary uses
Heat of fusion

18. A temperature of -10 degrees celsius is equivalent to...
263 degrees kelvin
First principle of Centripetal force
Disorder
Third principle of Centripetal force

19. The theoretical production curve of oil indicates oil production is...
Movement
Near a maximum
Increases the energy
Newtons first principle of Universal Gravitation

20. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
Less on the moon
Means less power is transmitted
Newtons third principle of Universal Gravitation
Difference between the heat supplied and the heat exhausted

21. Which is not one of the fundamental forces of nature...
Universal
Remains unchanged
First principle of Centripetal force
Total internal energy of an object

22. The work that a heat engine is able to accomplish is ideally equivalent to the
Increases the energy
Difference between the heat supplied and the heat exhausted
Heat of fusion
Third principle of Centripetal force

23. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
Disorder
12 miles per hour
Newtons second principle of Universal Gravitation
Increases the energy

24. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
263 degrees kelvin
Remains unchanged
Third principle of Centripetal force
Movement

25. At a given speed - the centripetal force - the smaller the circle.
Waves and particles
Difference in the sped of light in water vs. air
5 m/s
Third principle of Centripetal force

26. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
5 m/s
First principle of Centripetal force
Difference between the heat supplied and the heat exhausted
Remains unchanged

27. If a charging elephant has kinetic energy - it must also have...
Universal
Newtons third principle of Universal Gravitation
First principle of Centripetal force
Momentum

28. Entropy refers to...
5 m/s
Second principle of Centripetal force
263 degrees kelvin
Disorder

29. Increasing the frequency of light
Increases the energy
Difference in the sped of light in water vs. air
Third principle of Centripetal force
5 m/s

30. Electromagnetic radiation can be viewed as...
Less on the moon
Increases the energy
12 miles per hour
Waves and particles

31. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Difference between the heat supplied and the heat exhausted
Newtons first principle of Universal Gravitation
Increasing speed and constant acceleration
Total internal energy of an object